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Justin Gregoire
Seasoned Data Scientist with a robust background in data analytics, statistical modeling, and business intelligence. Expert in transforming complex data into valuable strategic insights. Proficient in cross-functional collaboration, driving strategic initiatives across various industries including ed tech, social media, ecommerce, cloud computing services, and health care.
Professional Experience
Senior Data Scientist
Nextdoor
San Francisco, CA
2024 - 2023
- Data science lead for ‘New Neighbors’, identifying multiple opportunities to improve user experience
- Proposed and implemented tests to logged-out experience, reducing user friction and boosting registration rate.
Senior Data Scientist, Product Analytics
TikTok
Mountain View, CA
2023 - 2022
- Embedded in US E-Commerce team for TikTok Shop launch, analyzed rollout performance across multiple regions, and advised on UX and product enhancements.
- Created RFM segmentation and made recommendations for high-value segment expansion.
Senior Data Scientist
Skillshare
New York, NY
2022 - 2021
- Utilized k-means clustering to develop nuanced understanding of teachers’ audience engagement. Incorporated cluster insights into modeling potential of monetization features (i.e. Paid 1x1 sessions), demonstrating potential sales growth of 5-50%
- Collaborated with personalization & discovery teams to design and analyze experiments for content recommendation, onboarding enhancements, and other features
Data Scientist
Skillshare
New York, NY
2021 - 2020
- Successfully collaborated with the VP of Growth, conducting an in-depth evaluation of potential markets for international expansion. Presented insights and region-specific go-to-market strategies, which included key elements such as subscription pricing, marketing tactics/budget, and product positioning, to the C-suite.
- Developed and implemented an algorithm to project teachers’ monthly royalty payments.
Marketing Analytics Manager
Skillshare
New York, NY
2020 - 2019
- Worked with product to iterate on subscription pricing strategy to balance against company goals around sales and subscriber growth. Evolved the data science strategy from standard A/B testing, to multi-armed bandit testing to achieve optimal price points
- Implemented a “first touch” marketing attribution model choosing from among heuristic and algorithmic methods based on output accuracy, implementation, and interpretability.
Digital Senior Analyst, Marketing Analytics @ Google
Accenture
San Francisco, CA
2019 - 2017
- Led a team of four data analysts for an acquisition project; collaborated with departments to define metrics and build data pipelines.
Digital Analyst @ Zynga
Accenture
San Francisco, CA
2017 - 2016
- Partnered with the VP of User Acquisition to build analytics tools and generate insights, achieving an uplift in returns on ad spend from 70% to 115% on an annual budget surpassing $100M. Pioneered real-time user Lifetime Value modeling, enabling markets to optimize budget allocaiton.